package com.kuang.config;

import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.extension.injector.LogicSqlInjector;
import com.baomidou.mybatisplus.extension.plugins.OptimisticLockerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PerformanceInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.transaction.annotation.EnableTransactionManagement;


@MapperScan("com.kuang.mapper")
@EnableTransactionManagement // 启注解事务管理，等同于xml配置方式的 <tx:annotation-driven />
@Configuration
public class MyBatisPlusConfig {

    @Bean
    public OptimisticLockerInterceptor optimisticLockerInterceptor(){
        return new OptimisticLockerInterceptor();
    }

    //分页插件
    @Bean
    public PaginationInterceptor paginationInterceptor(){
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        //设置请求的页面大于最大页后操作，true调回到到首页，false继续请求，默认false
        //paginationInterceptor.setOverflow(false);
        //设置最大单页限制数量，默认500条，-1不受限制
        //paginationInterceptor.setLimit(500)
        //开启count的join优化，只针对部分left join
        return paginationInterceptor;
    }

    //逻辑删除组件
    @Bean
    public ISqlInjector sqlInjector(){
        return new LogicSqlInjector();
    }

    @Bean
    @Profile({"dev","test"})//设置dev，test环境开启，保证我们的效率
    public PerformanceInterceptor performanceInterceptor(){
        PerformanceInterceptor performanceInterceptor = new PerformanceInterceptor();
        performanceInterceptor.setMaxTime(100);//设置sql的最大执行时间，如果超过了则不执行，单位为ms
        performanceInterceptor.setFormat(true);
        return performanceInterceptor;
    }
}
